@article{ref1,
title="Social media in public health: is it used and is it useful?",
journal="International journal of public health",
year="2014",
author="Tonia, Thomy",
volume="59",
number="6",
pages="889-891",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="1661-8556",
doi="10.1007/s00038-014-0615-1",
url="http://dx.doi.org/10.1007/s00038-014-0615-1"
}